Industrial Fluids

Industrial fluids are used for heat transfer, lubrication, power transmission, corrosion control, process cleaning and other specialized applications. They consist of petroleum-based mineral oils, vegetable oils, synthetic fluids, or other types of base stocks that are processed for stability and resilience. Industrial fluid or machinery fluid additives increase desirable physical, chemical and electrical characteristics, and reduce friction and wear. Typically, an industrial lubricant is formulated for long life in demanding environments that are characterized by extremes of pressure and temperature. Industrial lubrication products include metalworking fluids, system cleaners, slideway lubricants, industrial gear oils, hydraulic oils, and turbine oils. Heat transfer fluid is an industrial fluid made from base stocks such as paraffin oils, with added chemicals to improve heat transfer properties. Industrial fluids such as heat transfer fluid are characterized by the temperature of intended use. There are three basic types of heat transfer fluids: high temperature (100 ?F up to 600 ?F), single fluid heating and cooling (30 ?F to 550 ?F), and low temperature (cryogenic temperatures as low as -150? F). Magnetic fluid contains suspended magnetic particles. They become dense when subjected to a magnetic field.

Selecting industrial fluids requires an analysis of performance specifications. The thermophysical properties of an industrial fluid affect the transfer of heat. Thermodynamic properties of industrial fluids include temperature, density, specific heat, thermal conductivity, enthalpy, and entropy. Other important properties for industrial lubricants include solubility, viscosity, compressibility, thermal conductivity, and freezing point.

The International Standards Organization (ISO) maintains standards for industrial fluids and other forms of industrial lubrication. With regard to the petroleum industry, ISO works in partnership with the American Petroleum Industry (API) to formulate standards. The ASTM (formerly known as the American Society for Testing and Materials) also maintains industrial fluid standards, many of which are harmonized with ISO standards. For example, ASTM D 2422, which corresponds to ISO Standard 3448, describes viscosity ratings for industrial oil. The International Electrotechnical Commission (IEC) maintains standards for industrial fluids used in electrical and electronics applications. For example, IEC 60296 covers insulating oils. The United States Department of Agriculture (USDA) defines the following categories for food-grade industrial lubricants: H-1 (true food-grade), H-2 (no possibility of contact with edible products), H-3 (water-soluble oils), and P-1 (not used in a food or beverage processing plant). Other standards for industrial fluids are also available.

• Hydraulic fluids change with the times
  The right chemistry minimizes operating problems and saves money. Hydraulic and Industrial Gear Additives Using the wrong hydraulic fluid can have severe and costly consequences, such as catastrophic...
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• Sensors eye Fluids And Lubricants
  The latest condition-monitoring sensors keep industrial systems humming. Online fluid-monitoring sensors continuously assess fluid conditions. For instance, instruments on this press-cushion hydraulic...
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• Fluid Transfer Pumps
  Fluid-handling or transfer devices are not basically concerned with the modulation or transfer of power, but only with the movement of fluid. Two major types of fluid-transfer pumps are...
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Part Numbers for Fluids